| Comparison Between I2C Expansion Board and I2C Transfer Board |
| Model Name |
I2C Expansion Board |
I2C Transfer Board |
| Picture |
 |
 |
| Port Quantity |
7P |
4P |
| Definition of Ports |
1 Input Port and 6 I2C Ports |
1 Input Port, 2 I2C Ports and 1 GPS Serial Port |
| Functions |
Extention of I2C Port Only |
Extention of I2C Port and GPS Serial Port |
| Obstacle Avoidance of Six Synchronous Direction (Overall) |
Obstacle Avoidance of Arbitraty Two Synchronous Directions |
| FC Compatibility |
Compatible with RadioLink Mini Pix/TURBO PiX/PIXHAWK and Open Sourced PIXHAWK |
| Obstacle Avoidance Ultrasonic Sensor Compatibility |
Compatible with RadioLink Ultrasonic Sensor of Obstacle Avoidance SU04/SUI04 |
| Remark |
When GPS and ultrasonic sensors need to be connected at the same time, a transfer board is essential to connect with the GPS/I2C port of flight controller first, then expansion board to the transfer board. |
Two I2C ports can be used to connect with corresponding I2C modules such as one ultrasonic sensor SU04 to achieve altitude holding and an LED module. |
| Accessory, Purchased Individually |
TURBO PiX Standard Pack |
